1 /* 2 * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "precompiled.hpp" 26 #include "classfile/classLoaderStats.hpp" 27 #include "classfile/compactHashtable.hpp" 28 #include "gc_implementation/shared/vmGCOperations.hpp" 29 #include "oops/oop.inline.hpp" 30 #include "runtime/javaCalls.hpp" 31 #include "runtime/os.hpp" 32 #include "services/diagnosticArgument.hpp" 33 #include "services/diagnosticCommand.hpp" 34 #include "services/diagnosticFramework.hpp" 35 #include "services/writeableFlags.hpp" 36 #include "services/heapDumper.hpp" 37 #include "services/management.hpp" 38 #include "utilities/macros.hpp" 39 #include "oops/objArrayOop.inline.hpp" 40 41 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC 42 43 void DCmdRegistrant::register_dcmds(){ 44 // Registration of the diagnostic commands 45 // First argument specifies which interfaces will export the command 46 // Second argument specifies if the command is enabled 47 // Third argument specifies if the command is hidden 48 uint32_t full_export = DCmd_Source_Internal | DCmd_Source_AttachAPI 49 | DCmd_Source_MBean; 50 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HelpDCmd>(full_export, true, false)); 51 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VersionDCmd>(full_export, true, false)); 52 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CommandLineDCmd>(full_export, true, false)); 53 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintSystemPropertiesDCmd>(full_export, true, false)); 54 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintVMFlagsDCmd>(full_export, true, false)); 55 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SetVMFlagDCmd>(full_export, true, false)); 56 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMDynamicLibrariesDCmd>(full_export, true, false)); 57 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMUptimeDCmd>(full_export, true, false)); 58 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SystemGCDCmd>(full_export, true, false)); 59 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RunFinalizationDCmd>(full_export, true, false)); 60 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapInfoDCmd>(full_export, true, false)); 61 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<FinalizerInfoDCmd>(full_export, true, false)); 62 #if INCLUDE_SERVICES // Heap dumping/inspection supported 63 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapDumpDCmd>(DCmd_Source_Internal | DCmd_Source_AttachAPI, true, false)); 64 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHistogramDCmd>(full_export, true, false)); 65 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassStatsDCmd>(full_export, true, false)); 66 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHierarchyDCmd>(full_export, true, false)); 67 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SymboltableDCmd>(full_export, true, false)); 68 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<StringtableDCmd>(full_export, true, false)); 69 #endif // INCLUDE_SERVICES 70 #if INCLUDE_JVMTI 71 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JVMTIDataDumpDCmd>(full_export, true, false)); 72 #endif // INCLUDE_JVMTI 73 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ThreadDumpDCmd>(full_export, true, false)); 74 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RotateGCLogDCmd>(full_export, true, false)); 75 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassLoaderStatsDCmd>(full_export, true, false)); 76 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompileQueueDCmd>(full_export, true, false)); 77 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeListDCmd>(full_export, true, false)); 78 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeCacheDCmd>(full_export, true, false)); 79 80 // Enhanced JMX Agent Support 81 // These commands won't be exported via the DiagnosticCommandMBean until an 82 // appropriate permission is created for them 83 uint32_t jmx_agent_export_flags = DCmd_Source_Internal | DCmd_Source_AttachAPI; 84 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartRemoteDCmd>(jmx_agent_export_flags, true,false)); 85 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartLocalDCmd>(jmx_agent_export_flags, true,false)); 86 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStopRemoteDCmd>(jmx_agent_export_flags, true,false)); 87 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStatusDCmd>(jmx_agent_export_flags, true,false)); 88 89 } 90 91 #ifndef HAVE_EXTRA_DCMD 92 void DCmdRegistrant::register_dcmds_ext(){ 93 // Do nothing here 94 } 95 #endif 96 97 98 HelpDCmd::HelpDCmd(outputStream* output, bool heap) : DCmdWithParser(output, heap), 99 _all("-all", "Show help for all commands", "BOOLEAN", false, "false"), 100 _cmd("command name", "The name of the command for which we want help", 101 "STRING", false) { 102 _dcmdparser.add_dcmd_option(&_all); 103 _dcmdparser.add_dcmd_argument(&_cmd); 104 }; 105 106 void HelpDCmd::execute(DCmdSource source, TRAPS) { 107 if (_all.value()) { 108 GrowableArray<const char*>* cmd_list = DCmdFactory::DCmd_list(source); 109 for (int i = 0; i < cmd_list->length(); i++) { 110 DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i), 111 strlen(cmd_list->at(i))); 112 output()->print_cr("%s%s", factory->name(), 113 factory->is_enabled() ? "" : " [disabled]"); 114 output()->print_cr("\t%s", factory->description()); 115 output()->cr(); 116 factory = factory->next(); 117 } 118 } else if (_cmd.has_value()) { 119 DCmd* cmd = NULL; 120 DCmdFactory* factory = DCmdFactory::factory(source, _cmd.value(), 121 strlen(_cmd.value())); 122 if (factory != NULL) { 123 output()->print_cr("%s%s", factory->name(), 124 factory->is_enabled() ? "" : " [disabled]"); 125 output()->print_cr("%s", factory->description()); 126 output()->print_cr("\nImpact: %s", factory->impact()); 127 JavaPermission p = factory->permission(); 128 if(p._class != NULL) { 129 if(p._action != NULL) { 130 output()->print_cr("\nPermission: %s(%s, %s)", 131 p._class, p._name == NULL ? "null" : p._name, p._action); 132 } else { 133 output()->print_cr("\nPermission: %s(%s)", 134 p._class, p._name == NULL ? "null" : p._name); 135 } 136 } 137 output()->cr(); 138 cmd = factory->create_resource_instance(output()); 139 if (cmd != NULL) { 140 DCmdMark mark(cmd); 141 cmd->print_help(factory->name()); 142 } 143 } else { 144 output()->print_cr("Help unavailable : '%s' : No such command", _cmd.value()); 145 } 146 } else { 147 output()->print_cr("The following commands are available:"); 148 GrowableArray<const char *>* cmd_list = DCmdFactory::DCmd_list(source); 149 for (int i = 0; i < cmd_list->length(); i++) { 150 DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i), 151 strlen(cmd_list->at(i))); 152 output()->print_cr("%s%s", factory->name(), 153 factory->is_enabled() ? "" : " [disabled]"); 154 factory = factory->_next; 155 } 156 output()->print_cr("\nFor more information about a specific command use 'help <command>'."); 157 } 158 } 159 160 int HelpDCmd::num_arguments() { 161 ResourceMark rm; 162 HelpDCmd* dcmd = new HelpDCmd(NULL, false); 163 if (dcmd != NULL) { 164 DCmdMark mark(dcmd); 165 return dcmd->_dcmdparser.num_arguments(); 166 } else { 167 return 0; 168 } 169 } 170 171 void VersionDCmd::execute(DCmdSource source, TRAPS) { 172 output()->print_cr("%s version %s", Abstract_VM_Version::vm_name(), 173 Abstract_VM_Version::vm_release()); 174 JDK_Version jdk_version = JDK_Version::current(); 175 if (jdk_version.update_version() > 0) { 176 output()->print_cr("JDK %d.%d_%02d", jdk_version.major_version(), 177 jdk_version.minor_version(), jdk_version.update_version()); 178 } else { 179 output()->print_cr("JDK %d.%d", jdk_version.major_version(), 180 jdk_version.minor_version()); 181 } 182 } 183 184 PrintVMFlagsDCmd::PrintVMFlagsDCmd(outputStream* output, bool heap) : 185 DCmdWithParser(output, heap), 186 _all("-all", "Print all flags supported by the VM", "BOOLEAN", false, "false") { 187 _dcmdparser.add_dcmd_option(&_all); 188 } 189 190 void PrintVMFlagsDCmd::execute(DCmdSource source, TRAPS) { 191 if (_all.value()) { 192 CommandLineFlags::printFlags(output(), true); 193 } else { 194 CommandLineFlags::printSetFlags(output()); 195 } 196 } 197 198 int PrintVMFlagsDCmd::num_arguments() { 199 ResourceMark rm; 200 PrintVMFlagsDCmd* dcmd = new PrintVMFlagsDCmd(NULL, false); 201 if (dcmd != NULL) { 202 DCmdMark mark(dcmd); 203 return dcmd->_dcmdparser.num_arguments(); 204 } else { 205 return 0; 206 } 207 } 208 209 SetVMFlagDCmd::SetVMFlagDCmd(outputStream* output, bool heap) : 210 DCmdWithParser(output, heap), 211 _flag("flag name", "The name of the flag we want to set", 212 "STRING", true), 213 _value("string value", "The value we want to set", "STRING", false) { 214 _dcmdparser.add_dcmd_argument(&_flag); 215 _dcmdparser.add_dcmd_argument(&_value); 216 } 217 218 void SetVMFlagDCmd::execute(DCmdSource source, TRAPS) { 219 const char* val = NULL; 220 if (_value.value() != NULL) { 221 val = _value.value(); 222 } 223 224 FormatBuffer<80> err_msg("%s", ""); 225 int ret = WriteableFlags::set_flag(_flag.value(), val, Flag::MANAGEMENT, err_msg); 226 227 if (ret != WriteableFlags::SUCCESS) { 228 output()->print_cr("%s", err_msg.buffer()); 229 } 230 } 231 232 int SetVMFlagDCmd::num_arguments() { 233 ResourceMark rm; 234 SetVMFlagDCmd* dcmd = new SetVMFlagDCmd(NULL, false); 235 if (dcmd != NULL) { 236 DCmdMark mark(dcmd); 237 return dcmd->_dcmdparser.num_arguments(); 238 } else { 239 return 0; 240 } 241 } 242 243 void JVMTIDataDumpDCmd::execute(DCmdSource source, TRAPS) { 244 if (JvmtiExport::should_post_data_dump()) { 245 JvmtiExport::post_data_dump(); 246 } 247 } 248 249 void PrintSystemPropertiesDCmd::execute(DCmdSource source, TRAPS) { 250 // load sun.misc.VMSupport 251 Symbol* klass = vmSymbols::sun_misc_VMSupport(); 252 Klass* k = SystemDictionary::resolve_or_fail(klass, true, CHECK); 253 instanceKlassHandle ik (THREAD, k); 254 if (ik->should_be_initialized()) { 255 ik->initialize(THREAD); 256 } 257 if (HAS_PENDING_EXCEPTION) { 258 java_lang_Throwable::print(PENDING_EXCEPTION, output()); 259 output()->cr(); 260 CLEAR_PENDING_EXCEPTION; 261 return; 262 } 263 264 // invoke the serializePropertiesToByteArray method 265 JavaValue result(T_OBJECT); 266 JavaCallArguments args; 267 268 Symbol* signature = vmSymbols::serializePropertiesToByteArray_signature(); 269 JavaCalls::call_static(&result, 270 ik, 271 vmSymbols::serializePropertiesToByteArray_name(), 272 signature, 273 &args, 274 THREAD); 275 if (HAS_PENDING_EXCEPTION) { 276 java_lang_Throwable::print(PENDING_EXCEPTION, output()); 277 output()->cr(); 278 CLEAR_PENDING_EXCEPTION; 279 return; 280 } 281 282 // The result should be a [B 283 oop res = (oop)result.get_jobject(); 284 assert(res->is_typeArray(), "just checking"); 285 assert(TypeArrayKlass::cast(res->klass())->element_type() == T_BYTE, "just checking"); 286 287 // copy the bytes to the output stream 288 typeArrayOop ba = typeArrayOop(res); 289 jbyte* addr = typeArrayOop(res)->byte_at_addr(0); 290 output()->print_raw((const char*)addr, ba->length()); 291 } 292 293 VMUptimeDCmd::VMUptimeDCmd(outputStream* output, bool heap) : 294 DCmdWithParser(output, heap), 295 _date("-date", "Add a prefix with current date", "BOOLEAN", false, "false") { 296 _dcmdparser.add_dcmd_option(&_date); 297 } 298 299 void VMUptimeDCmd::execute(DCmdSource source, TRAPS) { 300 if (_date.value()) { 301 output()->date_stamp(true, "", ": "); 302 } 303 output()->time_stamp().update_to(tty->time_stamp().ticks()); 304 output()->stamp(); 305 output()->print_cr(" s"); 306 } 307 308 int VMUptimeDCmd::num_arguments() { 309 ResourceMark rm; 310 VMUptimeDCmd* dcmd = new VMUptimeDCmd(NULL, false); 311 if (dcmd != NULL) { 312 DCmdMark mark(dcmd); 313 return dcmd->_dcmdparser.num_arguments(); 314 } else { 315 return 0; 316 } 317 } 318 319 void SystemGCDCmd::execute(DCmdSource source, TRAPS) { 320 if (!DisableExplicitGC) { 321 Universe::heap()->collect(GCCause::_java_lang_system_gc); 322 } else { 323 output()->print_cr("Explicit GC is disabled, no GC has been performed."); 324 } 325 } 326 327 void RunFinalizationDCmd::execute(DCmdSource source, TRAPS) { 328 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_System(), 329 true, CHECK); 330 instanceKlassHandle klass(THREAD, k); 331 JavaValue result(T_VOID); 332 JavaCalls::call_static(&result, klass, 333 vmSymbols::run_finalization_name(), 334 vmSymbols::void_method_signature(), CHECK); 335 } 336 337 void HeapInfoDCmd::execute(DCmdSource source, TRAPS) { 338 Universe::heap()->print_on(output()); 339 } 340 341 void FinalizerInfoDCmd::execute(DCmdSource source, TRAPS) { 342 ResourceMark rm; 343 344 output()->print_cr("Unreachable instances awaiting finalization:"); 345 346 Klass *k = SystemDictionary::Finalizer_klass(); 347 instanceKlassHandle klass(THREAD, k); 348 JavaValue result(T_ARRAY); 349 350 // We are calling lang.ref.Finalizer::getFinalizerHistogram() method 351 // and expect it to return array of FinalizerHistogramEntry as Object[] 352 // actual class layout should be: 353 // java.lang.ref.Finalizer$FinalizerHistogramEntry 354 // - klass: 'java/lang/ref/Finalizer$FinalizerHistogramEntry' 355 // - private 'count' 'I' 356 // - private 'name' 'Ljava/lang/String;' 357 358 #ifdef _LP64 359 int count_field_offset = 12; 360 int name_field_offset = 16; 361 if (!UseCompressedOops) { 362 count_field_offset = 16; 363 name_field_offset = 24; 364 } 365 #else 366 int count_field_offset = 8; 367 int name_field_offset = 12; 368 #endif 369 370 JavaCalls::call_static(&result, klass, 371 vmSymbols::get_finalizer_histogram_name(), 372 vmSymbols::void_object_array_signature(), CHECK); 373 374 objArrayOop result_oop = (objArrayOop) result.get_jobject(); 375 for (int i = 0; i < result_oop->length(); ++i) { 376 oop element_oop = result_oop->obj_at(i); 377 oop str_oop = element_oop->obj_field(name_field_offset); 378 char *name = java_lang_String::as_utf8_string(str_oop); 379 int count = element_oop->int_field(count_field_offset); 380 output()->print_cr("Class %s - %d", name, count); 381 } 382 } 383 384 385 #if INCLUDE_SERVICES // Heap dumping/inspection supported 386 HeapDumpDCmd::HeapDumpDCmd(outputStream* output, bool heap) : 387 DCmdWithParser(output, heap), 388 _filename("filename","Name of the dump file", "STRING",true), 389 _all("-all", "Dump all objects, including unreachable objects", 390 "BOOLEAN", false, "false") { 391 _dcmdparser.add_dcmd_option(&_all); 392 _dcmdparser.add_dcmd_argument(&_filename); 393 } 394 395 void HeapDumpDCmd::execute(DCmdSource source, TRAPS) { 396 // Request a full GC before heap dump if _all is false 397 // This helps reduces the amount of unreachable objects in the dump 398 // and makes it easier to browse. 399 HeapDumper dumper(!_all.value() /* request GC if _all is false*/); 400 int res = dumper.dump(_filename.value()); 401 if (res == 0) { 402 output()->print_cr("Heap dump file created"); 403 } else { 404 // heap dump failed 405 ResourceMark rm; 406 char* error = dumper.error_as_C_string(); 407 if (error == NULL) { 408 output()->print_cr("Dump failed - reason unknown"); 409 } else { 410 output()->print_cr("%s", error); 411 } 412 } 413 } 414 415 int HeapDumpDCmd::num_arguments() { 416 ResourceMark rm; 417 HeapDumpDCmd* dcmd = new HeapDumpDCmd(NULL, false); 418 if (dcmd != NULL) { 419 DCmdMark mark(dcmd); 420 return dcmd->_dcmdparser.num_arguments(); 421 } else { 422 return 0; 423 } 424 } 425 426 ClassHistogramDCmd::ClassHistogramDCmd(outputStream* output, bool heap) : 427 DCmdWithParser(output, heap), 428 _all("-all", "Inspect all objects, including unreachable objects", 429 "BOOLEAN", false, "false") { 430 _dcmdparser.add_dcmd_option(&_all); 431 } 432 433 void ClassHistogramDCmd::execute(DCmdSource source, TRAPS) { 434 VM_GC_HeapInspection heapop(output(), 435 !_all.value() /* request full gc if false */); 436 VMThread::execute(&heapop); 437 } 438 439 int ClassHistogramDCmd::num_arguments() { 440 ResourceMark rm; 441 ClassHistogramDCmd* dcmd = new ClassHistogramDCmd(NULL, false); 442 if (dcmd != NULL) { 443 DCmdMark mark(dcmd); 444 return dcmd->_dcmdparser.num_arguments(); 445 } else { 446 return 0; 447 } 448 } 449 450 #define DEFAULT_COLUMNS "InstBytes,KlassBytes,CpAll,annotations,MethodCount,Bytecodes,MethodAll,ROAll,RWAll,Total" 451 ClassStatsDCmd::ClassStatsDCmd(outputStream* output, bool heap) : 452 DCmdWithParser(output, heap), 453 _csv("-csv", "Print in CSV (comma-separated values) format for spreadsheets", 454 "BOOLEAN", false, "false"), 455 _all("-all", "Show all columns", 456 "BOOLEAN", false, "false"), 457 _help("-help", "Show meaning of all the columns", 458 "BOOLEAN", false, "false"), 459 _columns("columns", "Comma-separated list of all the columns to show. " 460 "If not specified, the following columns are shown: " DEFAULT_COLUMNS, 461 "STRING", false) { 462 _dcmdparser.add_dcmd_option(&_all); 463 _dcmdparser.add_dcmd_option(&_csv); 464 _dcmdparser.add_dcmd_option(&_help); 465 _dcmdparser.add_dcmd_argument(&_columns); 466 } 467 468 void ClassStatsDCmd::execute(DCmdSource source, TRAPS) { 469 if (!UnlockDiagnosticVMOptions) { 470 output()->print_cr("GC.class_stats command requires -XX:+UnlockDiagnosticVMOptions"); 471 return; 472 } 473 474 VM_GC_HeapInspection heapop(output(), 475 true /* request_full_gc */); 476 heapop.set_csv_format(_csv.value()); 477 heapop.set_print_help(_help.value()); 478 heapop.set_print_class_stats(true); 479 if (_all.value()) { 480 if (_columns.has_value()) { 481 output()->print_cr("Cannot specify -all and individual columns at the same time"); 482 return; 483 } else { 484 heapop.set_columns(NULL); 485 } 486 } else { 487 if (_columns.has_value()) { 488 heapop.set_columns(_columns.value()); 489 } else { 490 heapop.set_columns(DEFAULT_COLUMNS); 491 } 492 } 493 VMThread::execute(&heapop); 494 } 495 496 int ClassStatsDCmd::num_arguments() { 497 ResourceMark rm; 498 ClassStatsDCmd* dcmd = new ClassStatsDCmd(NULL, false); 499 if (dcmd != NULL) { 500 DCmdMark mark(dcmd); 501 return dcmd->_dcmdparser.num_arguments(); 502 } else { 503 return 0; 504 } 505 } 506 #endif // INCLUDE_SERVICES 507 508 ThreadDumpDCmd::ThreadDumpDCmd(outputStream* output, bool heap) : 509 DCmdWithParser(output, heap), 510 _locks("-l", "print java.util.concurrent locks", "BOOLEAN", false, "false") { 511 _dcmdparser.add_dcmd_option(&_locks); 512 } 513 514 void ThreadDumpDCmd::execute(DCmdSource source, TRAPS) { 515 // thread stacks 516 VM_PrintThreads op1(output(), _locks.value()); 517 VMThread::execute(&op1); 518 519 // JNI global handles 520 VM_PrintJNI op2(output()); 521 VMThread::execute(&op2); 522 523 // Deadlock detection 524 VM_FindDeadlocks op3(output()); 525 VMThread::execute(&op3); 526 } 527 528 int ThreadDumpDCmd::num_arguments() { 529 ResourceMark rm; 530 ThreadDumpDCmd* dcmd = new ThreadDumpDCmd(NULL, false); 531 if (dcmd != NULL) { 532 DCmdMark mark(dcmd); 533 return dcmd->_dcmdparser.num_arguments(); 534 } else { 535 return 0; 536 } 537 } 538 539 // Enhanced JMX Agent support 540 541 JMXStartRemoteDCmd::JMXStartRemoteDCmd(outputStream *output, bool heap_allocated) : 542 543 DCmdWithParser(output, heap_allocated), 544 545 _config_file 546 ("config.file", 547 "set com.sun.management.config.file", "STRING", false), 548 549 _jmxremote_port 550 ("jmxremote.port", 551 "set com.sun.management.jmxremote.port", "STRING", false), 552 553 _jmxremote_rmi_port 554 ("jmxremote.rmi.port", 555 "set com.sun.management.jmxremote.rmi.port", "STRING", false), 556 557 _jmxremote_ssl 558 ("jmxremote.ssl", 559 "set com.sun.management.jmxremote.ssl", "STRING", false), 560 561 _jmxremote_registry_ssl 562 ("jmxremote.registry.ssl", 563 "set com.sun.management.jmxremote.registry.ssl", "STRING", false), 564 565 _jmxremote_authenticate 566 ("jmxremote.authenticate", 567 "set com.sun.management.jmxremote.authenticate", "STRING", false), 568 569 _jmxremote_password_file 570 ("jmxremote.password.file", 571 "set com.sun.management.jmxremote.password.file", "STRING", false), 572 573 _jmxremote_access_file 574 ("jmxremote.access.file", 575 "set com.sun.management.jmxremote.access.file", "STRING", false), 576 577 _jmxremote_login_config 578 ("jmxremote.login.config", 579 "set com.sun.management.jmxremote.login.config", "STRING", false), 580 581 _jmxremote_ssl_enabled_cipher_suites 582 ("jmxremote.ssl.enabled.cipher.suites", 583 "set com.sun.management.jmxremote.ssl.enabled.cipher.suite", "STRING", false), 584 585 _jmxremote_ssl_enabled_protocols 586 ("jmxremote.ssl.enabled.protocols", 587 "set com.sun.management.jmxremote.ssl.enabled.protocols", "STRING", false), 588 589 _jmxremote_ssl_need_client_auth 590 ("jmxremote.ssl.need.client.auth", 591 "set com.sun.management.jmxremote.need.client.auth", "STRING", false), 592 593 _jmxremote_ssl_config_file 594 ("jmxremote.ssl.config.file", 595 "set com.sun.management.jmxremote.ssl_config_file", "STRING", false), 596 597 // JDP Protocol support 598 _jmxremote_autodiscovery 599 ("jmxremote.autodiscovery", 600 "set com.sun.management.jmxremote.autodiscovery", "STRING", false), 601 602 _jdp_port 603 ("jdp.port", 604 "set com.sun.management.jdp.port", "INT", false), 605 606 _jdp_address 607 ("jdp.address", 608 "set com.sun.management.jdp.address", "STRING", false), 609 610 _jdp_source_addr 611 ("jdp.source_addr", 612 "set com.sun.management.jdp.source_addr", "STRING", false), 613 614 _jdp_ttl 615 ("jdp.ttl", 616 "set com.sun.management.jdp.ttl", "INT", false), 617 618 _jdp_pause 619 ("jdp.pause", 620 "set com.sun.management.jdp.pause", "INT", false), 621 622 _jdp_name 623 ("jdp.name", 624 "set com.sun.management.jdp.name", "STRING", false) 625 626 { 627 _dcmdparser.add_dcmd_option(&_config_file); 628 _dcmdparser.add_dcmd_option(&_jmxremote_port); 629 _dcmdparser.add_dcmd_option(&_jmxremote_rmi_port); 630 _dcmdparser.add_dcmd_option(&_jmxremote_ssl); 631 _dcmdparser.add_dcmd_option(&_jmxremote_registry_ssl); 632 _dcmdparser.add_dcmd_option(&_jmxremote_authenticate); 633 _dcmdparser.add_dcmd_option(&_jmxremote_password_file); 634 _dcmdparser.add_dcmd_option(&_jmxremote_access_file); 635 _dcmdparser.add_dcmd_option(&_jmxremote_login_config); 636 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_cipher_suites); 637 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_protocols); 638 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_need_client_auth); 639 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_config_file); 640 _dcmdparser.add_dcmd_option(&_jmxremote_autodiscovery); 641 _dcmdparser.add_dcmd_option(&_jdp_port); 642 _dcmdparser.add_dcmd_option(&_jdp_address); 643 _dcmdparser.add_dcmd_option(&_jdp_source_addr); 644 _dcmdparser.add_dcmd_option(&_jdp_ttl); 645 _dcmdparser.add_dcmd_option(&_jdp_pause); 646 _dcmdparser.add_dcmd_option(&_jdp_name); 647 } 648 649 650 int JMXStartRemoteDCmd::num_arguments() { 651 ResourceMark rm; 652 JMXStartRemoteDCmd* dcmd = new JMXStartRemoteDCmd(NULL, false); 653 if (dcmd != NULL) { 654 DCmdMark mark(dcmd); 655 return dcmd->_dcmdparser.num_arguments(); 656 } else { 657 return 0; 658 } 659 } 660 661 662 void JMXStartRemoteDCmd::execute(DCmdSource source, TRAPS) { 663 ResourceMark rm(THREAD); 664 HandleMark hm(THREAD); 665 666 // Load and initialize the sun.management.Agent class 667 // invoke startRemoteManagementAgent(string) method to start 668 // the remote management server. 669 // throw java.lang.NoSuchMethodError if the method doesn't exist 670 671 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); 672 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK); 673 instanceKlassHandle ik (THREAD, k); 674 675 JavaValue result(T_VOID); 676 677 // Pass all command line arguments to java as key=value,... 678 // All checks are done on java side 679 680 int len = 0; 681 stringStream options; 682 char comma[2] = {0,0}; 683 684 // Leave default values on Agent.class side and pass only 685 // agruments explicitly set by user. All arguments passed 686 // to jcmd override properties with the same name set by 687 // command line with -D or by managmenent.properties 688 // file. 689 #define PUT_OPTION(a) \ 690 if ( (a).is_set() ){ \ 691 options.print(\ 692 ( *((a).type()) == 'I' ) ? "%scom.sun.management.%s=%d" : "%scom.sun.management.%s=%s",\ 693 comma, (a).name(), (a).value()); \ 694 comma[0] = ','; \ 695 } 696 697 PUT_OPTION(_config_file); 698 PUT_OPTION(_jmxremote_port); 699 PUT_OPTION(_jmxremote_rmi_port); 700 PUT_OPTION(_jmxremote_ssl); 701 PUT_OPTION(_jmxremote_registry_ssl); 702 PUT_OPTION(_jmxremote_authenticate); 703 PUT_OPTION(_jmxremote_password_file); 704 PUT_OPTION(_jmxremote_access_file); 705 PUT_OPTION(_jmxremote_login_config); 706 PUT_OPTION(_jmxremote_ssl_enabled_cipher_suites); 707 PUT_OPTION(_jmxremote_ssl_enabled_protocols); 708 PUT_OPTION(_jmxremote_ssl_need_client_auth); 709 PUT_OPTION(_jmxremote_ssl_config_file); 710 PUT_OPTION(_jmxremote_autodiscovery); 711 PUT_OPTION(_jdp_port); 712 PUT_OPTION(_jdp_address); 713 PUT_OPTION(_jdp_source_addr); 714 PUT_OPTION(_jdp_ttl); 715 PUT_OPTION(_jdp_pause); 716 PUT_OPTION(_jdp_name); 717 718 #undef PUT_OPTION 719 720 Handle str = java_lang_String::create_from_str(options.as_string(), CHECK); 721 JavaCalls::call_static(&result, ik, vmSymbols::startRemoteAgent_name(), vmSymbols::string_void_signature(), str, CHECK); 722 } 723 724 JMXStartLocalDCmd::JMXStartLocalDCmd(outputStream *output, bool heap_allocated) : 725 DCmd(output, heap_allocated) { 726 // do nothing 727 } 728 729 void JMXStartLocalDCmd::execute(DCmdSource source, TRAPS) { 730 ResourceMark rm(THREAD); 731 HandleMark hm(THREAD); 732 733 // Load and initialize the sun.management.Agent class 734 // invoke startLocalManagementAgent(void) method to start 735 // the local management server 736 // throw java.lang.NoSuchMethodError if method doesn't exist 737 738 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); 739 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK); 740 instanceKlassHandle ik (THREAD, k); 741 742 JavaValue result(T_VOID); 743 JavaCalls::call_static(&result, ik, vmSymbols::startLocalAgent_name(), vmSymbols::void_method_signature(), CHECK); 744 } 745 746 void JMXStopRemoteDCmd::execute(DCmdSource source, TRAPS) { 747 ResourceMark rm(THREAD); 748 HandleMark hm(THREAD); 749 750 // Load and initialize the sun.management.Agent class 751 // invoke stopRemoteManagementAgent method to stop the 752 // management server 753 // throw java.lang.NoSuchMethodError if method doesn't exist 754 755 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); 756 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK); 757 instanceKlassHandle ik (THREAD, k); 758 759 JavaValue result(T_VOID); 760 JavaCalls::call_static(&result, ik, vmSymbols::stopRemoteAgent_name(), vmSymbols::void_method_signature(), CHECK); 761 } 762 763 JMXStatusDCmd::JMXStatusDCmd(outputStream *output, bool heap_allocated) : 764 DCmd(output, heap_allocated) { 765 // do nothing 766 } 767 768 void JMXStatusDCmd::execute(DCmdSource source, TRAPS) { 769 ResourceMark rm(THREAD); 770 HandleMark hm(THREAD); 771 772 // Load and initialize the sun.management.Agent class 773 // invoke getManagementAgentStatus() method to generate the status info 774 // throw java.lang.NoSuchMethodError if method doesn't exist 775 776 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); 777 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK); 778 instanceKlassHandle ik (THREAD, k); 779 780 JavaValue result(T_OBJECT); 781 JavaCalls::call_static(&result, ik, vmSymbols::getAgentStatus_name(), vmSymbols::void_string_signature(), CHECK); 782 783 jvalue* jv = (jvalue*) result.get_value_addr(); 784 oop str = (oop) jv->l; 785 if (str != NULL) { 786 char* out = java_lang_String::as_utf8_string(str); 787 if (out) { 788 output()->print_cr("%s", out); 789 return; 790 } 791 } 792 output()->print_cr("Error obtaining management agent status"); 793 } 794 795 VMDynamicLibrariesDCmd::VMDynamicLibrariesDCmd(outputStream *output, bool heap_allocated) : 796 DCmd(output, heap_allocated) { 797 // do nothing 798 } 799 800 void VMDynamicLibrariesDCmd::execute(DCmdSource source, TRAPS) { 801 os::print_dll_info(output()); 802 output()->cr(); 803 } 804 805 void RotateGCLogDCmd::execute(DCmdSource source, TRAPS) { 806 if (UseGCLogFileRotation) { 807 VM_RotateGCLog rotateop(output()); 808 VMThread::execute(&rotateop); 809 } else { 810 output()->print_cr("Target VM does not support GC log file rotation."); 811 } 812 } 813 814 void CompileQueueDCmd::execute(DCmdSource source, TRAPS) { 815 VM_PrintCompileQueue printCompileQueueOp(output()); 816 VMThread::execute(&printCompileQueueOp); 817 } 818 819 void CodeListDCmd::execute(DCmdSource source, TRAPS) { 820 VM_PrintCodeList printCodeListOp(output()); 821 VMThread::execute(&printCodeListOp); 822 } 823 824 void CodeCacheDCmd::execute(DCmdSource source, TRAPS) { 825 VM_PrintCodeCache printCodeCacheOp(output()); 826 VMThread::execute(&printCodeCacheOp); 827 } 828 829 #if INCLUDE_SERVICES 830 ClassHierarchyDCmd::ClassHierarchyDCmd(outputStream* output, bool heap) : 831 DCmdWithParser(output, heap), 832 _print_interfaces("-i", "Inherited interfaces should be printed.", "BOOLEAN", false, "false"), 833 _print_subclasses("-s", "If a classname is specified, print its subclasses. " 834 "Otherwise only its superclasses are printed.", "BOOLEAN", false, "false"), 835 _classname("classname", "Name of class whose hierarchy should be printed. " 836 "If not specified, all class hierarchies are printed.", 837 "STRING", false) { 838 _dcmdparser.add_dcmd_option(&_print_interfaces); 839 _dcmdparser.add_dcmd_option(&_print_subclasses); 840 _dcmdparser.add_dcmd_argument(&_classname); 841 } 842 843 void ClassHierarchyDCmd::execute(DCmdSource source, TRAPS) { 844 VM_PrintClassHierarchy printClassHierarchyOp(output(), _print_interfaces.value(), 845 _print_subclasses.value(), _classname.value()); 846 VMThread::execute(&printClassHierarchyOp); 847 } 848 849 int ClassHierarchyDCmd::num_arguments() { 850 ResourceMark rm; 851 ClassHierarchyDCmd* dcmd = new ClassHierarchyDCmd(NULL, false); 852 if (dcmd != NULL) { 853 DCmdMark mark(dcmd); 854 return dcmd->_dcmdparser.num_arguments(); 855 } else { 856 return 0; 857 } 858 } 859 860 #endif